Slope and Multiple Representations

Which of the following are ways to find the rate of change?

• change in y over change in x
• rise over run
• subtract y coordinates over subtract x coordinates
• all of the above

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

What is the slope of the line defined by y = 6.5x?

• y

• x

• 6.5

• =

Tags

CCSS.8.EE.B.5

Which graph represents the equation y = 1/3·x?

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Which graph represents the equation y = 3x?

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Which table of values represents the equation y = 2x?

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Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the equation that represents this line?

• y = 4/3x

• y = 3/4x

• y = 4/5x

• y = 5/4x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Which equation represents the line on this graph?

• y = 1/5x

• y = 5x

• y = 1/6x

• y = 6x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Which table corresponds with this graph?

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Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Identify the m and b in the following equation:
y = 2x + 5

• m = 5
  b = 2
• m = 2
  b = 5
• m = y
  b = x
• why are there letters in math?!

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

To go to the park, it costs $4 plus $3 per child. Which equation shows this situation, where x represents the number of children?

• y=4x+3
• y=3x-4
• y= -4x+3
• y=3x+4